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CS1040712
CS1040712

An Efficient Hierarchical Clustering Algorithm for Large Datasets
An Efficient Hierarchical Clustering Algorithm for Large Datasets

... clustering analyses have usually been compromised and restricted to ~ 20 000 top screening hits due to memory limitations. Therefore, there exists a significant need to develop a hierarchical clustering algorithm for large datasets. Approximating hierarchical clustering in subquadratic time and memo ...
Molecular Perspectives on the Bantu Expansion
Molecular Perspectives on the Bantu Expansion

Introduction to Database Systems
Introduction to Database Systems

A Mixture Model of Clustering Ensembles
A Mixture Model of Clustering Ensembles

kdd-clustering
kdd-clustering

... customer bases, and then use this knowledge to develop targeted marketing programs Land use: Identification of areas of similar land use in an earth observation database Insurance: Identifying groups of motor insurance policy holders with a high average claim cost City-planning: Identifying groups o ...
(Not) Finding Rules in Time Series: A Surprising Result with
(Not) Finding Rules in Time Series: A Surprising Result with

Interactive Clustering and Exploration of Large
Interactive Clustering and Exploration of Large

Towards Effective and Efficient Distributed Clustering
Towards Effective and Efficient Distributed Clustering

Identification of certain cancer-mediating genes using Gaussian
Identification of certain cancer-mediating genes using Gaussian

... applying fuzzy c-means, the best result generated by GFI is c = 13. From figure 1, it is clearly seen that GFI generates the best result for c = 13, which is very close to the result generated by the II, CEI, XBI, FHVI, MPCI, CWBI and PBMFI. It is also to be noted that, for fuzzy c-means algorithm, ...
Clustering by Pattern Similarity
Clustering by Pattern Similarity

Aggregated Probabilistic Fuzzy Relational
Aggregated Probabilistic Fuzzy Relational

... In this context, a generalization of the previously methods in order to be used in clustering of fuzzy data (or fuzzy numbers) [9] would be a meritorious research. In this work, a new fuzzy relational clustering algorithm, based on the fuzzy c-means [8] algorithm is proposed to clusters fuzzy data, ...
Hierarchical Clustering
Hierarchical Clustering

TEMPO AND MODE OF MULTICELLULAR ADAPTATION IN
TEMPO AND MODE OF MULTICELLULAR ADAPTATION IN

... clusters become a unit of selection, either settling to the bottom of the tube during settling selection and surviving, or failing to do so and being discarded. The survival of a cluster is dependent on its settling speed, which is higher for larger clusters, so that cluster size is a group-level tr ...
Cluster Center Initialization for Categorical Data Using Multiple
Cluster Center Initialization for Categorical Data Using Multiple

Hierarchical Clustering
Hierarchical Clustering

... In the basic K-means algorithm, centroids are updated after all points are assigned to a centroid ...
slowly switching between environments facilitates reverse evolution
slowly switching between environments facilitates reverse evolution

Clustering Detail - Gursimran Dhillon
Clustering Detail - Gursimran Dhillon

... CLARANS draws sample of neighbors dynamically The clustering process can be presented as searching a graph where every node is a potential solution, that is, a set of k medoids If the local optimum is found, CLARANS starts with new randomly selected node in search for a new local optimum It is more ...
EBSCAN: An Entanglement-based Algorithm for Discovering Dense
EBSCAN: An Entanglement-based Algorithm for Discovering Dense

... cannot be a solution to our geo-social clustering problem. Partitioning and hierarchical clustering are suitable for finding spherical clusters in a spatial database. However, a geographical cluster takes various arbitrary shapes. In contrast with partitioning and hierarchal clustering, density-base ...
as a PDF
as a PDF

Visually–driven analysis of movement data by progressive clustering
Visually–driven analysis of movement data by progressive clustering

... As we have mentioned, the aim of a clustering method is to produce a set of groups of objects where the objects in the same group (cluster) are near each other and the groups are distant from each other. The problem of finding the optimal clustering is NP-hard. There are several strategies proposed ...
- City Research Online
- City Research Online

fuzzy data mining and genetic algorithms - TKS
fuzzy data mining and genetic algorithms - TKS

... Genetic algorithms are search procedures often used for optimization problems. When using fuzzy logic, it is often difficult for an expert to provide “good” definitions for the membership functions for the fuzzy variables. Each fuzzy membership function can be defined using two parameters as shown i ...
pattern discovery and document clustering using k-means
pattern discovery and document clustering using k-means

Overview of overlapping partitional clustering methods
Overview of overlapping partitional clustering methods

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Human genetic clustering



Human genetic clustering analysis uses mathematical cluster analysis of the degree of similarity of genetic data between individuals and groups in order to infer population structures and assign individuals to groups. These groupings in turn often, but not always, correspond with the individuals' self-identified geographical ancestry. A similar analysis can be done using principal components analysis, which in earlier research was a popular method. Many studies in the past few years have continued using principal components analysis.
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